3Hypothesis Age of BenefactorOlder men more likely to open the door for women than younger menSex of BeneficiaryMen more likely to open the door for women than other men

4Methods Observed 28 subjects in natural settingInter-rater reliability: 0.5Judgements between both observers never differed by more than 5 yearsMadison, IN and HC Campus Center in early eveningDefinition of “door-opening”Recorded men who had potential to open doorRecorded sex of beneficiary & age of benefactor

5ResultsFound men who opened the door were significantly younger (M=20.75) than men who did not open the door (M=34.63). According to a t-test adjusted for inequality of variances, this relationship was significant, t(25.72)=3.14, p=.004.Age of BenefactorDoor Holding Behavior

6Results, cont’d. 4 of the 28 cases were dropped for analysisMen rarely opened doors but when they did, they opened them more for womenAlthough more females had the door opened for them (M=0.2) than males (M=0.0), these results were not significant according to Fisher’s exact test, p=1.0.

7Discussion Age of Benefactor Lack of older subjectsLocation of observationNon-existence of generation gapE. Thomas, 1974